An individual(mostly males)who takes the television remote control and won't let anyone change the channel or take it from them. These words were originally heard in "Clueless", in which Cher calls Josh a "couch commando".
"Quit being a couch commando, I want to watch Cops"

"Can you change the channel? Why not? Well if you would stop being such a couch commando I wouldn't have to keep asking."
by SocialWorkerBob April 26, 2006
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when you are giving the business to a lady or gentlemen on a couch and you pull out shoot your load on them 2 in the chest and one in the head.... then pick up your gear and move on to the next without a word
The Tin man blasted the slutty he picked up at the Venue gave her 2 in the chest and one in the had and moved on to the next till he finds his heart ever since then hes been known as a Stone cold Couch Commando
by robbielocks September 7, 2011
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Person who plays militaristic fps all day while giving quotes on ranges of guns and whats possible in real life in military situations when he has not been in any military service. Couch commandos are usually very obese.
When I was playing online and complained about someone shooting me across the map the "couch commando know it all" than said it was possible and gave me the ballistics maximum range under a controlled environment and than said see its possible.
by ralphieG June 18, 2012
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